常与for, since引导的时间短语或从句连用.
for+ 时间段
since+时间点 , since+ 句子
抄写动词以及过去式和过去分词。
1.be-- was/were e— came--come
3.go-- went--gone 4.do— did--done
5.have-- had-had
现在完成时
一.构成: have/ has + done (过去分词) 过去分词(pp)其变化方法和动词过去式基本相同。 有部分不同，需要记好。 He has lived in Shenzhen for 4 years. Has he lived in Shenzhen for 4 years? Yes,he has. / No, he hasn’t .
关于现在完成时系 列讲解
现在完成时
( present perfect tense)
past
present(now) future
do my homework
Mother: John, clean your teeth please. John: Mum, I have already(已经) cleaned them.
eat (eaten) French
see (seen) a tiger
Sam got sick two days
ago . Sam has been sick for two days.
Sherry got her driver’s license (执照) in 1999. Sherry has had her driver’s license since(自从) 1999.
2. 他们在这个城市建了许多房子. (build-built) They have built many buildings in this city.
3. Judy还没到达. (arrive-arrived) Judy hasn’t arrived yet.
4. 你吃过早饭了吗? (have-had) Have you had breakfast ?
Mother: John, clean your teeth please.
John: Mum, I have already cleaned them.
comb your hair ------ have combed it wash your hands ----- have washed them study for English test ----- have studied for it tell me the truth -----have told you everything visit your grandpa ----- have visited him listen to the English tape ----- have listened to it
carry some water for the old man ----has carried some boil some water ---- has boiled some make some coffee ---- has made some call Mr. Smith ---- has called him mend the shirt ---- has mended it dry her hair ----has dried hers
Arnold started to play tennis in Jan. Arnold has played tennis since Jan.
Maggie moved to Hawaii in 1996.
Maggie has lived in Hawaii for about 8 years.
二: 用法: 1)现在完成时表示过去发生的动作,并对现在有影响。
Someone has broken the window. (窗户现在是坏的) I have already lost the key. (我现在没有钥匙) I haven’t read that book yet . (不了解书的内容) I have just cleaned my hands. (手是干净的)
Father: Tell your sister to buy some milk, John.
John: Oh, she has just(刚刚) bought some.
Father: Tell your sister to buy some milk, John.
John: Oh, she has just bjust(刚刚),ever(曾经)等词连 用.
already: 常用于肯定句中. yet: 常用于否定句,疑问句尾.
Translate the following sentences.
1. 你已经找到你的书了吗? (find-found) Have you found your book yet?
6.drink— drank--drunk
7.give-- gave--given 8. eat– ate--eaten
现在完成时
二: 用法: 2)现在完成时表示从过去一直持续到现在的动作或状态。 She has learned English for 5 years. He has lived in Beijing since ( 自从)he was born . Have you stayed here since ( 自从) 3 o’clock?
5. 她刚刚离开. (leave-left)
She has just left.
A: Have you surfed the internet (上网)?
B: Yes, I have . / No, I haven’t.
talk on the phone for an hour
play soccer